MEGA Bloks First Builders
First Builders Big Building Bag, 80 Pieces
4.8 out of 54.8 (132,172)$14.974 options
Big MEGA Bloks for first builders, Pokémon and Halo sets for kids, and collector builds with thousands of pieces for grown-ups. Pick a Build & Show Pokémon from the card, or walk straight into a build line.
Build & Show: pick the Pokémon for your shelf
Pokémon Build & Show Squirtle, 199 Pieces
4.7★ from 14,982 ratings
$22.99
Ships later
MEGA Pokémon building sets137 sets · from $6.99
MEGA Halo building sets101 sets · from $7.59
MEGA Bloks First Builders53 sets · from $9.99
Hot Wheels building sets27 sets · from $11.49
Masters of the Universe building sets28 sets · from $6.99
Call of Duty building sets37 sets · from $15.15
Barbie and doll building sets35 sets · from $6.99
Video game building sets36 sets · from $9.99
Movie and TV building sets56 sets · from $14.99
MEGA Construx kits and creations31 sets · from $9.99
Mega Brands puzzles and games11 sets · from $11.95Sorted by how many builders left a rating on the listing. Each card is one set; colour and pack options sit inside it.
MEGA Bloks First Builders
$14.974 options
MEGA Pokémon building sets
$22.993 options
MEGA Bloks First Builders
$22.77
MEGA Bloks First Builders
$38.98
MEGA Bloks First Builders
$51.992 options
MEGA Pokémon building sets
$45.192 options
MEGA Bloks First Builders
$18.74
Movie and TV building sets
$39.99
MEGA Halo building sets
$41.953 options
MEGA Pokémon building sets
$89.992 options
Ten of the most-rated sets from across the build lines, from the smallest build to the biggest. Pieces and ages come straight off each listing, so you can match the build to the builder before you open the box.
| Set | Line | Pieces | Ages | Rating | Price | Buy |
|---|---|---|---|---|---|---|
| Video game building sets | 30 | 16+ | 4.7★ (1,748) | $12.99 | ||
| Call of Duty building sets | 76 | See listing | 4.7★ (958) | $39.99 | ||
| MEGA Bloks First Builders | 80 | 1+ | 4.8★ (132,172) | $14.97 | ||
| MEGA Construx kits and creations | 81 | 6+ | 4.5★ (284) | $42.98 | ||
| Masters of the Universe building sets | 188 | 8+ | 4.8★ (2,276) | $14.21 | ||
| MEGA Pokémon building sets | 199 | 6+ | 4.7★ (14,982) | $22.99 | ||
| MEGA Halo building sets | 218 | 8+ | 4.8★ (2,807) | $78.79 | ||
| Barbie and doll building sets | 226 | 6+ | 4.6★ (346) | $34.00 | ||
| Hot Wheels building sets | 251 | 5+ | 4.6★ (782) | $35.49 | ||
| Movie and TV building sets | 541 | 13+ | 4.7★ (3,430) | $39.99 |

We design building experiences for every age. Big MEGA Bloks are the perfect fit for little hands that grip, stack and pull apart; MEGA Construx and MEGA sets bring authentic details, poseable figures and challenging builds for older kids and adults. One brickyard, every stage of the builder.
Find the builder you have in mind. The card under each line is the set we would put on the table first.
Just learning to stack
Big soft-edged blocks in a bag that doubles as storage, sized for hands from age one.
Loves letters and songs
A train of big blocks that plays music while the letters get stacked.
A first Pokémon build
A short Build & Show model that ends as a figure on the desk.
A Halo fan with pocket money
A Banished Ghost with micro action figures, small enough for one afternoon.
Needs a gift under $15
Two Masters of the Universe figures with their mounts in one compact box.
Wants a build that moves
Turn the crank and the finished Pikachu moves: a long build for older builders.
A collector with shelf space
Castle Grayskull in thousands of pieces, built as a display for adults.
Monster movie night
A poseable Kong that stands on the shelf after the credits roll.

Something special happens when you connect MEGA pieces. A family sits down at one table, the instructions open, and the worlds you love — Pokémon, Halo, Hot Wheels, Masters of the Universe — take shape brick by brick. We build sets that are meant to be built together and played with long after the last piece clicks in.
Super fun and easy to build.
Bought this for a 10 year old and they put it together so quick. Super cute and fun gift. Does run small
Great set, and let me tell you why
This ghost set is a perfect representation of the halo infinite banished ghost, and I think it looks spot on, it includes a brute warrior in silver armor with only one shoulder pad and leg pad, his shoulder pad is red and is the same mold as their escheraum figure, the grunt conscript is nice and he has red armor, it is the same grunt body mold as the halo reach ones, the grunt imperial is great with also…
Great set
Excellent set with amazing detail. Purchased this for my dad because he is a hardcore Beatles fan. He looked like a kid at Christmas while he was setting it up. He was very happy to add this to his collection.
Great build
I keep adding to my Master's of the Universe Mega Construx collection, and this was a welcome piece. I especially love the mechanical ingenuity to make the saw blade spin. Had a LOT of fun building the set.
Perfect toddler toy!
I got this for my 20 month old and I was hesitant about whether she would like it but she immediately loved it! The table is low enough that a child sitting on the floor can play with it, and the blocks are big enough that they’re not a choking hazard. Most importantly of all, it’s a fun intuitive toy that my 19 month old toddler loved right away! Totally recommend. Also takes less than 2 seconds to…
This was my first time building something that lights up
I love this set because it has a light up function with a usp cord to plug in

Our bricks are made to be stacked, pulled apart and stacked again for years — then handed down. A MEGA Bloks bag from a first birthday still clicks with a new set at five; a collector Warthog keeps its shape on the shelf. That durability is why so many of our older sets are still out there finding new builders.
Our history started with a simple idea: building should be open to everyone, from the toddler holding a first big block toy to the adult collector planning a shelf display. That idea grew into MEGA Bloks, the large, soft-edged building blocks for babies and toddlers, and into MEGA Construx and the MEGA building toy lines that bring licensed worlds into brick form. Along the way our business kept adding innovations — poseable micro action figures, motion builds with working cranks, pixel-art bricks — and today the MEGA name covers big blocks, collectible figures and detailed display models with thousands of pieces. Mega Brands joined Mattel in 2014, and every toy in the series still starts with the same question: what will be fun to build?
MEGA Bloks First Builders sets are where most of our builders begin. The big blocks are sized for little hands, so a toddler practises fine motor skills while stacking, sorting by colour and pulling pieces apart — learning through play, with plenty of fun and early creativity. Vehicles with buildable tops, block buddies, musical sets and big building bags with storage keep the play going, and every bag of MEGA Bloks clicks with the next one, so a collection of building blocks can expand with your child.
Around age six, builders want stories. Our MEGA Pokémon sets let kids build Pikachu, Charizard and Eevee, pop a figure into a buildable Poké Ball, or set up a training stadium battle. MEGA Halo building sets put Spartans, Warthogs and Banshees on the table with poseable micro action figures, and Hot Wheels and Masters of the Universe sets bring race cars, monster trucks and Castle Grayskull into the same brickyard. Endless adventures, and every set fits the rest of the collection.
For adult collectors we make display builds with real engineering: motion Pokémon with turning cranks, pixel-art figures for the wall, detailed Halo vehicles, Hot Wheels race cars with a die-cast model in the box, retro consoles and big Masters of the Universe weapons. These are long, satisfying builds — a quiet evening at the table — that end as a collectible piece you want to keep on show.
Start with the builder. Under three: MEGA Bloks First Builders with big blocks and storage. Six and up: MEGA Pokémon Poké Balls, Hot Wheels race cars and Halo micro figure packs. Twelve and up or adult collectors: motion builds, pixel art and vehicles with hundreds or thousands of pieces. Every listing in our brickyard shows the piece count and ages, and each product page links to its build line, so you can expand a collection set by set.
Yes. Mega Brands joined Mattel in 2014, and our building lines — MEGA Bloks, MEGA Construx and the MEGA collector sets — are made under the MEGA name inside the Mattel family of brands.
We make construction toys: MEGA Bloks big building blocks for toddlers, MEGA Construx and MEGA building sets for kids, and detailed collector builds for adults, plus a few classic Mega Brands puzzles and games.
No. MEGA is our own brand of building sets with its own bricks, figures and licences such as Pokémon, Halo and Hot Wheels. Our standard bricks are built to the common stud system, so many builders mix them with other bricks at home.
MEGA Bloks First Builders start at 12 months; most MEGA Pokémon and Hot Wheels sets are for ages 6 and up; Halo, motion and pixel-art builds are marked 8+, 12+ or for adult collectors. The ages are on every product page.
Each product page in our brickyard has a button that opens the set on our partner store, where you see the live price, stock and delivery options and place the order.
Wash big MEGA Bloks in warm, soapy water, rinse and let them air-dry fully before storing them. Sets with stickers, lights or electronics should only be wiped with a damp cloth.
New sets land in our brickyard every season. Follow a build line, bookmark a blueprint, or write to the builders' desk.
The whole MEGA line-upPokémon, Halo, MEGA Bloks and more